Add APK targets to build libjingle tests for Android.

webrtc/build/apk_tests.gyp

Index: webrtc/build/apk_tests.gyp
diff --git a/webrtc/build/apk_tests.gyp b/webrtc/build/apk_tests.gyp
index fe05c0848a855b6b4eca373e1b2e8c930a0ef0e6..02a13421f9b6a47658e9f3d6d93e2f431580046b 100644
--- a/webrtc/build/apk_tests.gyp
+++ b/webrtc/build/apk_tests.gyp
@@ -61,6 +61,23 @@
       ],
     },
     {
+      'target_name': 'libjingle_peerconnection_unittest_apk',
+      'type': 'none',
+      'variables': {
+        'test_suite_name': 'libjingle_peerconnection_unittest',
+        'input_shlib_path': '<(SHARED_LIB_DIR)/<(SHARED_LIB_PREFIX)libjingle_peerconnection_unittest<(SHARED_LIB_SUFFIX)',
+      },
+      'dependencies': [
+        '<(DEPTH)/talk/libjingle_tests.gyp:libjingle_peerconnection_unittest',
+        '<(DEPTH)/talk/libjingle.gyp:libjingle_peerconnection_java',
+      ],
+      'includes': [
+        # Use webrtc copy of apk_test.gypi to allow test executables starting
+        # with "lib". See http://crbug.com/543820 for more details.
+        '../build/apk_test.gypi',
+      ],
+    },
+    {
       'target_name': 'modules_tests_apk',
       'type': 'none',
       'variables': {